Greatest Common Factor of 63, 75, 21, 814

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 63, 75, 21, 814 by common division method
• Greatest Common Factor of 63, 75, 21, 814 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 814

List of positive integer factors of 814 that divides 814 without a remainder.

1,2,11,22,37,74,407,814

Greatest Common Factor

We found the factors 63,75,21,814 . The biggest common factor number is the GCF number.
So the greatest common factor 63,75,21,814 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 27, 30, 99, 156
• GCF of 73, 10, 78, 277
• GCF of 89, 10, 85, 415
• GCF of 40, 20, 14, 647
• GCF of 31, 88, 23, 707

1. What is the GCF of 63, 75, 21, 814?

Answer: GCF of 63, 75, 21, 814 is 1.

2. How to Find the GCF of 63, 75, 21, 814

Answer: Greatest Common Factor(GCF) of 63, 75, 21, 814 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(63, 75, 21, 814) = 1.